78802882276 has 6 divisors (see below), whose sum is σ = 137905043990. Its totient is φ = 39401441136.

The previous prime is 78802882163. The next prime is 78802882283. The reversal of 78802882276 is 67228820887.

It can be written as a sum of positive squares in only one way, i.e., 51699845376 + 27103036900 = 227376^2 + 164630^2 .

It is a super-2 number, since 2×78802882276² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 78802882276.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9850360281 + ... + 9850360288.

Almost surely, 2^78802882276 is an apocalyptic number.

It is an amenable number.

78802882276 is a deficient number, since it is larger than the sum of its proper divisors (59102161714).

78802882276 is a wasteful number, since it uses less digits than its factorization.

78802882276 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19700720573 (or 19700720571 counting only the distinct ones).

The product of its (nonzero) digits is 9633792, while the sum is 58.

The spelling of 78802882276 in words is "seventy-eight billion, eight hundred two million, eight hundred eighty-two thousand, two hundred seventy-six".